結果
問題 | No.315 世界のなんとか3.5 |
ユーザー |
👑 |
提出日時 | 2019-01-24 15:05:55 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 1,112 ms / 2,000 ms |
コード長 | 3,268 bytes |
コンパイル時間 | 1,106 ms |
コンパイル使用メモリ | 126,384 KB |
実行使用メモリ | 112,444 KB |
最終ジャッジ日時 | 2024-06-13 03:39:06 |
合計ジャッジ時間 | 16,420 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
other | AC * 36 |
ソースコード
import std.conv, std.stdio, std.string;import std.algorithm, std.array, std.bigint, std.container, std.math, std.numeric, std.range, std.regex, std.typecons;import core.bitop;class EOFException : Throwable { this() { super("EOF"); } }string[] tokens;string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }int readInt() { return readToken.to!int; }long readLong() { return readToken.to!long; }real readReal() { return readToken.to!real; }bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }int binarySearch(T)(in T[] as, in bool delegate(T) test) { int low = -1, upp = cast(int)(as.length); for (; low + 1 < upp; ) { int mid = (low + upp)>> 1; (test(as[mid]) ? low : upp) = mid; } return upp; }int lowerBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a < val)); }int upperBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a <= val)); }enum MO = 10L^^9 + 7;int N;string A, B;int P;long[][][][] small;long[][][] dp;long calc(int i, int x, int y, int z, bool diffA, bool diffB) {long ret;if (i == N || diffA && diffB) {foreach (x0; 0 .. 3) foreach (y0; 0 .. 2) {foreach (x1; 0 .. 3) foreach (y1; 0 .. 2) {if ((x0 + x1 + x) % 3 == 0 || (y0 || y1 || y)) {ret += small[min(N - i, 5)][x0][y0][z] * dp[max(N - 5 - i, 0)][x1][y1];}}}} else {foreach (d; (diffA ? 0 : (A[i] - '0')) .. (diffB ? 9 : (B[i] - '0')) + 1) {int zz = z;if (N - 1 - i < 5) {zz += 10^^(N - 1 - i) * d;}ret += calc(i + 1, (x + d) % 3, (y || d == 3) ? 1 : 0, zz, (diffA || (d != A[i] - '0')), (diffB || (d != B[i] - '0')));}}ret %= MO;debug {writefln("calc %s %s %s %s %s %s: %s", i, x, y, z, diffA, diffB, ret);}return ret;}void main() {try {for (; ; ) {A = readToken();B = readToken();P = readInt();A = iota(B.length - A.length).map!(_ => '0').array.to!string ~ A;N = cast(int)(B.length);small = new long[][][][](6, 3, 2, 10^^5);foreach (i; 0 .. 5 + 1) {foreach (z; 0 .. 10^^5) {if (z % 10^^i == 0) {foreach (w; 0 .. 10^^i) {if ((z + w) % P != 0) {const x = w % 3;const y = iota(i).map!(j => (w / 10^^j % 10 == 3)).any;++small[i][x][y][z];}}}}}dp = new long[][][](N + 1, 3, 2);dp[0][0][0] = 1;foreach (i; 0 .. N) {foreach (x; 0 .. 3) foreach (y; 0 .. 2) {foreach (d; 0 .. 10) {const xx = (x + d) % 3;const yy = (y || d == 3) ? 1 : 0;if ((dp[i + 1][xx][yy] += dp[i][x][y]) >= MO) {dp[i + 1][xx][yy] -= MO;}}}}debug {writeln("dp = ", dp[0 .. min(10, $)]);}const ans = calc(0, 0, 0, 0, false, false);writeln(ans);}} catch (EOFException e) {}}